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V0.1

0517m

 earphones

Magnetic Bluetooth

AUD-758

Lea cuidadosamente este instructivo para evitar cualquier mal funcionamiento.

La información que se muestra en este manual sirve únicamente como referencia sobre el 

producto.      
Debido a actualizaciones pueden existir diferencias.
Por favor, consulte nuestra página web 

www.steren.com

 para obtener la versión más reciente 

de este manual.

IMPORTANT

CHARGING BATTERY

BLUETOOTH PAIRING

CAUTIONS

Read these manual to avoid any damage.
The instructions of these manual are for reference about the product.
There may be differences due to update.
Please check our web site 

www.steren.com

 to obtain the latest version of the instruction 

manual.

Before using the earphones, make sure the volume on your device is moderate. The loud 

sounds may cause severe hearing damage.

Avoid using earphones while performing an activity that requires your attention. It is 

dangerous to increase the volume, because you can not hear external sounds.

Before first use, charge the battery to 100%.

Do not use or store the product in places where there dripping or splashing.

Wipe the product with a soft and dry cloth or with a cleaning brush very gently.

This device cannot be used by people with different abilities, unless they have preparation 

and supervision. 

This product is NOT a toy; keep it away from children. 

The operation of this device is subject to the following two conditions: (1) it is possible that this  device may not cause harmful 
interference and (2) this device must accept any interference, including interference that may cause undesired operation.

Specifications may vary without previous notice

Remember to lower the volume level before you start using the device.

Use the magnetic system to keep 

them around the neck when you are 

not use them

PLACING THE EARPHONES

SPECIFICATIONS

Earphone

Frequency response: 20 – 20 000 Hz

Driver unit: 8 mm

Impedance: 16 ohms 

Sensitivity: 94±3dB @ 1 kHz

Maximum power output: 10 mW

Microphone

Sensitivity: -40±3 dB

Frequency response: 50 Hz – 16 kHz 

Impedance:  ≤2.2 kΩ

Input: 5V - - - 500 mA (x USB)

Battery: Li-ion 3.7 V - - -  60 mAh

RF frequency: 2.4 GHz

 

Product: Magnetic Bluetooth earphones

Part number: AUD-758

Brand: Steren

Each time that you turn on the earphones, it will automatically connect to the last paired device.

Before using the earphones by the first time, charge the battery for 4 continuous hours

During the charging 

process the LED indicator 

will remain lit in red

1

Press and hold down until the 

LED flashes red and blue.

If pairing has been successful, 

the LED will flash slowly 

You can pair a smartphone, 

ipod, PC, etc. with Bluetooth

2

Activate the Bluetooth 

mode in your device.

3

Search 

Steren AUD-758

 earphones in your device, and select them.

Enter the 

0000 

password, if it is 

necessary

Ster

en A

UD-758

Be sure to place the 

earphones as shown in 

the picture. Aim the 

microphone toward your 

mouth.

Microphone

x1 

PLAYING MUSIC

HANDS FREE

WARRANTY

Play

x1 

Answer/ Hang up

call

Press and hold

for about

2 seconds

x2 

Redial

Availability of these 

functions may vary 

depending on the 

model of your mobile 

device.

x1 

Next track

x1 

Previous

track

Press and

hold

Volume

Press and

hold

Volume

x1 

Pause

When the call is rejected you 

will hear: 

CALL REJECTED

.

If you press and hold the button for 

more than 2 seconds, the device 

will turn off.

Reject call

01 800 500 9000

WARRANTY

This Steren product is warranted under normal usage against defects in workmanship and  materials to the original 

purchaser for one year and three months  on the battery from the date of purchase.

CONDITIONS

1. This warranty card with all the required information, invoice, product box or package, and product, must be 

presented when warranty service is required.

2. If the product is in the warranty time, the company will repair it free of charge.

3. The repairing time will not exceed 30 natural days, from the day the claim was received.

4. Steren sell parts, components, consumables and accessories to customer, as well as warranty service, at any of the 

addresses mentioned later.

THIS WARRANTY IS VOID IN THE NEXT CASES:

If the product has been damaged by an accident, acts of God, mishandling, leaky batteries,

failure to follow enclosed instructions, improper repair by unauthorized personnel, improper

safe keeping, among others.

a) The consumer can also claim the warranty service in the purchase establishment.
b) If you lose the warranty card, we can reissue it, if you show the invoice or purchase ticket.

RETAILER INFORMATION
Name of the retailer _____________________________________________
Address ______________________________________________________
Product ______________________________________________________
Brand ________________________________________________________

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